Train Network Management High-Speed Data Communication
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current train network systems, particularly those using ECP technology, face limitations in data communication speed and bandwidth, hindering real-time monitoring and decision-making due to the slow data rate of the Trainline network, which restricts the transmission of information from railcars to locomotives, especially with the increasing data from advanced sensors.
Innovation Solution
A train network management system that integrates high-speed network devices and node computers on railcars and locomotives, enabling high-speed data communication between railcars and the locomotive, using wireless or wired protocols, and creating communication paths to facilitate efficient data distribution and processing, including mesh network configurations for redundancy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If a slow data rate power line transceiver is used over the Trainline for power delivery and communication, then the existing infrastructure can be utilized, but the data communication speed and bandwidth are limited
Solution Approach 1:
The patent segments the communication function by introducing a separate high-speed data communication network independent from the power delivery Trainline. This allows the power line to maintain its original function while a new dedicated data network provides high-speed communication capability, resolving the contradiction between using existing infrastructure and achieving high data rates.
Solution Approach 2:
The patent introduces wireless communication devices and network infrastructure as intermediaries between railcars and the locomotive. These intermediary devices receive data from sensors on railcars and transmit it to the locomotive via wireless networks, bypassing the bandwidth limitations of the wired Trainline while maintaining compatibility with existing hardware.
2Loss of information
If advanced sensor technologies (acoustic and vibration sensors) are deployed to collect more data, then monitoring capability is improved, but the amount of data requiring processing and transmission increases significantly
Solution Approach 1:
The patent replaces the mechanical approach of transmitting all raw sensor data through the limited-bandwidth wired network with a wireless communication system. This substitution enables high-volume data transmission from advanced sensors without being constrained by the Trainline's bandwidth, allowing comprehensive monitoring while managing data processing complexity through the more capable wireless infrastructure.
3Loss of time
If data processing is performed locally at each railcar to enable real-time monitoring, then real-time decision-making capability is improved, but hardware cost and device complexity increase
Solution Approach 1:
The patent shifts the data processing dimension from distributed local processing at each railcar to centralized processing at the locomotive or remote locations. By changing where the processing occurs rather than how it occurs, the system achieves real-time monitoring capabilities while avoiding the hardware complexity and cost of installing sophisticated processing equipment at each individual railcar.
Data Source
AI summary
A train network management system for a train having a locomotive and railcars, including a node computer on the railcar and communicating with a high-speed network device for receiving and transmitting data over a high-speed network, and a locomotive computer on the locomotive and communicating with a high-speed network device for receiving and transmitting data over the high-speed network, where a communication path is generated between at least two high-speed network devices of the railcars and the high-speed network device of the locomotive, such that high-speed data communication is provided between the high-speed network devices of the railcars and the locomotive. A railcar network unit is also disclosed.